Otero is a municipality in the province of Toledo, within the autonomous community of Castilla-La Mancha, Spain. It is a small rural settlement in the central part of the country, situated in the region historically known as Castile.
The municipality covers a surface area of 30 km² and has a population of 183, giving it a population density of 6.1 people per km². This low density reflects the sparsely populated character of much of the surrounding province.
Local administration is based in the municipality's ayuntamiento, or town hall. The mayor is Juan Lorenzo Moreno Labrado of the Partido Popular, and all five municipal councillors also belong to that party.